110002109981 has 2 divisors, whose sum is σ = 110002109982. Its totient is φ = 110002109980.

The previous prime is 110002109969. The next prime is 110002109993. The reversal of 110002109981 is 189901200011.

It is a balanced prime because it is at equal distance from previous prime (110002109969) and next prime (110002109993).

It can be written as a sum of positive squares in only one way, i.e., 88288613956 + 21713496025 = 297134^2 + 147355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110002109981 is a prime.

It is a super-2 number, since 2×110002109981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110002109951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55001054990 + 55001054991.

It is an arithmetic number, because the mean of its divisors is an integer number (55001054991).

Almost surely, 2^110002109981 is an apocalyptic number.

It is an amenable number.

110002109981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110002109981 is an equidigital number, since it uses as much as digits as its factorization.

110002109981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 32.

Adding to 110002109981 its reverse (189901200011), we get a palindrome (299903309992).

The spelling of 110002109981 in words is "one hundred ten billion, two million, one hundred nine thousand, nine hundred eighty-one".